<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>iframe</title>
</head>
<body>
<a href="1.type.html" target="content">type </a>
<a href="2.table.html" target="content">table </a>
<iframe name="content">

</iframe>
</body>
</html>